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evoland utility functions

Source: R/util.R
util.Rd

These are mostly used to validate evoland S3 objects.

Usage

validate(x, ...)

new_evoland_table(x, class_name, keycols)

check_missing_names(x, required_names)

x %||% y

pluck_wildcard(lst, ...)

ensure_dir(dir)

print_rowwise_yaml(df)

cast_dt_col(x, colname, type)

Arguments

x

Left-hand side value

...

Index arguments. Use NA to match all elements at that level

class_name

The class name to attach before "evoland_t"

keycols

The columns to be set as key, see data.table::setkey()

required_names

Vector of required names

y

Right-hand side value (fallback)

lst

The list to index into

Value

NULL, called for side effect

The indexed result, which may be a single element or a list of elements

Functions

  • validate(): Provides an S3 validation generic

  • new_evoland_table(): Add evoland_t class

  • check_missing_names(): Check that all required names are present

  • x %||% y: Null coalescing operator

  • pluck_wildcard(): Pluck with wildcard support

  • ensure_dir(): Ensure that a directory exists; return its argument for pipeability

  • print_rowwise_yaml(): Print a dataframe in a row-wise yaml style

  • cast_dt_col(): Cast a data.table column; invisibly returns x